Oil Trough, AR 72165 Frost Dates
Frost dates for Oil Trough, AR, ZIP 72165
Typically, the last spring freeze lands around 03/18, roughly 202 days out. The first fall frost typically arrives around 11/11, about 240 frost-free days later.
The USDA Plant Hardiness Zone Map puts Oil Trough in Zone 8a (10 to 15°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
Zone 8a around Oil Trough has about 11 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
Why 03/18 isn't a guarantee
03/18 is the middle of 30 years of NOAA records, not a promise. Plant by 02/28 and you're betting against frost in roughly 9 years out of 10. 04/04 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Oil Trough compares
At roughly 240 frost-free days, Oil Trough places 8,720 of 40,283 ZIP codes in this dataset. Within AR, it ranks 93 of 687.
Learn more
zone vs. frost date explains why Zone 8a and Oil Trough's frost date answer different questions, and the frost range explains how to read the range around Oil Trough's dates instead of trusting one.